19771528

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3967}}^1$

素因数の和:4069

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 23082872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 3967, 4984, 7934, 15868, 27769, 31736, 55538, 111076, 222152, 353063, 706126, 1412252, 2471441, 2824504, 4942882, 9885764, 19771528]

約数ペア:

[(1, 19771528), (2, 9885764), (4, 4942882), (7, 2824504), (8, 2471441), (14, 1412252), (28, 706126), (56, 353063), (89, 222152), (178, 111076), (356, 55538), (623, 31736), (712, 27769), (1246, 15868), (2492, 7934), (3967, 4984)]